<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://localhost:8080/04_servlet_war_exploded/hello2" method="post">
    <input type="hidden" name="username" value="root">
    <input type="hidden" name="password" value="123456">
    <input type="submit" name="提交按钮">

</form>
</body>
</html>